Niue is about 300 times smaller than South Carolina.

South Carolina is approximately 77,983 sq km, while Niue is approximately 260 sq km, making Niue 0.33% the size of South Carolina.
Tip: This to-scale comparison of South Carolina vs. Niue uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.